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protactinium
US [ˌprəʊtæk'tɪniəm]
UK [ˌprəʊtæk'tɪniəm]
n.
镤(放射性化学元素)
Web
镨;钋;元素镁
Advanced E-C
E-C
E-E
Web Definition
protactinium
n.
1.
镤(放射性化学元素)
a chemical element. Protactinium is a radioactive metal found naturally when uranium decays.
n.
1.
【化】镤
n.
1.
a
toxic
radioactive
metallic
element
.
1.
镤
相对原子质量_百度百科 ... thorium* 钍
protactinium
*
镤
uranium* 铀 ...
baike.baidu.com
|
Based on 422 pages
2.
镨
Chinese Learning Dictionary «... ... web 酺
protactinium
;protoactinium
镨
praseodymium 陠 ...
www.words-chinese.com
|
Based on 15 pages
3.
钋
易经圆图与化学周期表的应用 @... ... Thorium 钍
Protactinium
钋
Uranium 铀 ...
blog.xuite.net
|
Based on 4 pages
4.
元素镁
PA abbr.私人助理 (personal assistant)Pa[化]
元素镁
(
protactinium
)的符号pa[pB:][域] Paname , 巴拿马.爱苹果的Girl 2008-07-25 …
wenwen.soso.com
|
Based on 1 page
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